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Q. What is compound?
A compound is a substance which consists of two or more elements chemically combined. The elements in a compound aren't simply mingled together as they are in a mixture. In its place they are combined in a way such that the compound has properties that are different from those of the elements of which it is composed. Every compound is represented by a formula a combination of the symbols of the elements that make up the compounds. You may already recognize some chemical formulas such as H2O for water, NaCl for table salt and NH3 for ammonia.
explain Berzelius hypothesis and contradiction of daltons hypothesis with an example
CLARK'S METHOD OR SOAP TITRATION METHOD: This method depends upon the fact that when soluble soap is added to hard water, constituent of hard water. Ca, Mg and other heavy metals
electron affinity of nitrogen is positive but of phosphorus it is negative why I that
what is rayon?what are the things made of it?
What do you understand by temperature independence paramagnetism? Ans) Compounds which are expected to be diamagnetic may exhibit this kind of weak paramagnetism. It arises from a
why do s block elements have a weak tendency to fom complexes?
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Q. Describe Dalton Law of Partial Pressure? Ans. According to the Kinetic Molecular Theory, the pressure-volume- temperature relationship is the same for all gases. This
20.0 mL of 0.2 M CaCl 2 diluted with water to 100.0 mL. Calculate [CaCl 2 ], [Ca 2+ ] and [Cl - ]. Produce from concentrated hydrochloric acid (12 M) 3.0 L 0.60 M HCl solution.
Alkyl halide on reaction with dry silver oxide
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